31339539

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 26527725

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 861, 1103, 1353, 2583, 3157, 3309, 4059, 7721, 9471, 9927, 12133, 23163, 28413, 36399, 45223, 69489, 84931, 109197, 135669, 254793, 316561, 407007, 497453, 764379, 949683, 1492359, 2849049, 3482171, 4477077, 10446513, 31339539]

約数ペア:

[(1, 31339539), (3, 10446513), (7, 4477077), (9, 3482171), (11, 2849049), (21, 1492359), (33, 949683), (41, 764379), (63, 497453), (77, 407007), (99, 316561), (123, 254793), (231, 135669), (287, 109197), (369, 84931), (451, 69489), (693, 45223), (861, 36399), (1103, 28413), (1353, 23163), (2583, 12133), (3157, 9927), (3309, 9471), (4059, 7721)]